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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10533137 B1

PDFFull Text
Date of Patent:
Jan. 14, 2020

Filed:

Mar. 11, 2016

Liquid crystal composition, method for producing retardation layer, and circularly polarizing plate

Applicant:

Zeon Corporation, Chiyoda-ku, Tokyo, JP;

Inventors:

Akira Ikeda, Tokyo, JP;

Hiroaki Shu, Tokyo, JP;

Shunpei Nakajima, Tokyo, JP;

Assignee:

ZEON CORPORATION, Chiyoda-ku, Tokyo, JP;

Attorney:

Kenja IP Law PC

Primary Examiner:

Chanceity N Robinson

Int. Cl.
CPC ...
C09K 19/38 (2006.01); C09K 19/54 (2006.01); G02B 5/30 (2006.01); G02F 1/13 (2006.01); G02F 1/13363 (2006.01); C09K 19/52 (2006.01); C09K 19/32 (2006.01); C09K 19/34 (2006.01); C09K 19/20 (2006.01); C09K 19/24 (2006.01); C09K 19/12 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/54 (2013.01); C09K 19/12 (2013.01); C09K 19/2007 (2013.01); C09K 19/2014 (2013.01); C09K 19/24 (2013.01); C09K 19/32 (2013.01); C09K 19/322 (2013.01); C09K 19/3469 (2013.01); C09K 19/3486 (2013.01); C09K 19/3491 (2013.01); C09K 19/3497 (2013.01); C09K 19/38 (2013.01); C09K 19/52 (2013.01); G02B 5/30 (2013.01); G02B 5/3016 (2013.01); G02F 1/13 (2013.01); G02F 1/13363 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/122 (2013.01); C09K 2019/123 (2013.01); C09K 2019/2078 (2013.01); C09K 2019/525 (2013.01); C09K 2019/528 (2013.01);
Abstract

A liquid crystal composition including: a polymerizable liquid crystal compound capable of expressing birefringence with inverse wavelength dispersion; a surfactant containing a fluorine atom; and a solvent, wherein the surfactant contains a fluorine atom at a ratio of 30% by weight or less in a molecule of the surfactant.

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Ikeda, Akira. (2020). Liquid crystal composition, method for producing retardation layer, and circularly polarizing plate (U.S. Patent No. 10533137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10533137

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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